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Android OS is a mobile operating system developed by Google, based on the Linux kernel, known for its user-friendly interface and open-source nature. With access to millions of apps through the Google Play Store, Android OS offers flexibility and runs on a wide range of devices, making it one of the most popular mobile operating systems globally.

C programming language is a widely used programming language known for its efficiency and flexibility. Developed in the early 1970s by Dennis Ritchie at Bell Labs, C has become one of the most popular and influential programming languages in the world.

PHP: Hypertext Preprocessor is a widely used, general-purpose scripting language that was originally designed for web development to produce dynamic web pages.

ASP (Active Server Pages) is a technology developed by Microsoft to create dynamic web pages and web applications.

JavaScript is a powerful scripting language that lets the visitor interact with a web page - and much more.

MySQL is an open-source relational database management system developed by Oracle Corporation, used for storing and retrieving data for software applications. Known for its speed, reliability, and ease of use, MySQL is a popular choice for web applications and small to medium-sized databases.